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H. J. LANGE WATER HEATER Dec. 25, 1928.

INVENTQR,

ATTORNEYS H. J. LANGE WATER HEATER Dec, 25, 192s.

Filed Sept, 50, 1927 4 Sheets-Sheet y r1 fr, fail/[1111111111111aralaalllirrlfl'lllll l l f n l l l f I l l l f u l l f I 1 l I l l n l 0 I u I I l l 1 l n u I 1 'l u l l I l u l f I l l 1 l l n l l l u u u 1 1 I n l l n I l l l I l l I n "h isuus:

INVENTOR ATTORN EYS Dec. 25, 1928. 1,696,206

H. J. LANGE WATER HEATER Filed sept.. so, 1927 .4 sheets-sheet, 4

INVENTQR,

ATTORN EYS UNITED STATES ,Panarea nec. 25,1928.

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furnaces such as are used-:for domestic heat ing plants and aims, among other objects, to

provide an improved heater which he manufactured `very cheaply., :is to and is `vergr `ellicient. in operation. Other ad- 'v-antages will appear in the Specification' taken in connection with :the accompanying .drawings wherein of a Iheater embodying the improvement-sgg' Fig. 2 is a side elevation'of'the base portion of the heater shown in Fig. '1; p

Fig. 3 is fa top plan view of the base por tion' Y Fig. 4 is a fragmentary rear elevationlo vthe water iire .box of the heater shown in y l Igtig. 5 is a fragmentary sectional view .taken on the line 5--5 of Fig. .17"

Fig.- 6 is a central .ional view of the front wall of the heater; Fig. 7 is a top plan `View of the front wall; Fig. 8 is afsectional-view taken .on the line 8--8 of Fig. 56;

Fig. ,9 is a .central sectional iview of a slight l modified form of dome capable of use with e heater;i l e F' 10 1s a top plan or end view of one of the s1de water walls of the heater; l

Fig. Il is a side elevation `ofthe side water wall;

Fig. 12 is a sectional view .taken 12--12 of Fig. 11; and i 13 lis .a fragmen fiona'i View one of fthe joints Ween the ser tions o the heater taken on the line 13-13 in Fig. i.

Referring articularl tothe drawings and to the embo ment of t c invention selected for illustrative purposes, there is shown a water heated comprising a .series of side water walls connected to a water box lhavin a 'water grate, eachof the side water 'walls ing connected-to a .dome or cover portion adapted .to .supply hot water vapor or steam to a eating'system as is wstomary.

- In accordance with this invention there vis shown a hase portion20 .conven'ientlpr east in several .sections .and adapted .to support the furnace and provide the nsual ns'hpit below the furnace grate. Herein the hase has the on the line .usual ash-removing door 21 and a .stoking an. maar.

a prateriire box section 23' adapted to he cast in onejpece and harinan integral water grate Elliot the bottom. i f erein the inside of a from gthe bottom of 'the front wall of the iire I arched downWandly .and all of them being connected' 'to a common transverse eleanout --eonduit'25 extending .at one end through the side of the base portion. To strengthen the ,fire box casting, there is Ashown a horizontal web 26 between the top and the bottom yand a .returnxpi from the Aheating system is shown 'as ng connected to 'the water space of the irle box .below the web. The iront wall of thevre box, above the web 26 is shown" as havin an openingwvhich re 'sters with the `stoking` oor-openngn the ,To lfacilitate connecting the l.vy-ater walls to the Water-:fine box, jthere 1s shcwn'a series of openings at lthe `upper edge thereof. Herein, a series of conduits formed by coring the casting are.l rovided at the four corners to be coxtilnecteI ltofthe froxt end rear water vgll an a pair o o ose openings are' rovi e in the side wallsgf the re box to be cldnnected to the vside iwater walls. Each of the circulating openings may be and preferably is in the form o f a cylindrical conduit 28 having a boss 29 projecting above the Aupper ed e'of the fire x and having aseat 30 adapte to receive a nip le on one of the sections later to be de scri (see Fig. 13).

Referring to Fig. 1 the side walls of the .heater'are shown as being substantially rectangular lhollow castings, 'eachadapted to be connected to the top of one side wall or' the water fine box. Herein, the front and. rear walls are each connected to the corner openin l vin the fire box, presenting nipples 31 a' apted to be received in the counterbores or bosses 29 and to rest upon gaskets 32 to make water-ti ht connections. The front water wall designated by the numeral 33 is shown as having a plurality of clean-out openings 34 closed by clean-out doors 35. This water wall is shown as having a plurality of water hafes 36 progecting toward the rear water wall and ineac ofthe bailles which is made in the form of a. fiat conduit connected to the inside of the water wall beinlgivided by a horizontal partition 37 exten g from the front of lao-x to the bottom of the rear mail, eahgbeng Fic. l is a neutral, verticaq, geona v1 ew lociL the Water-.Wall so that'the Water rising in the water Wallisconstrained todiowaround the partition. or baffles. andV be heatedlbyth--htf gases passing up through the furnace.

The rear Water wall designated bythe reiference numeral 38 lis shown asfhaving 'a plu'- rality of water baiiles similar to thoseshown on the front water wall but staggered with resuitably shaped to close the space between the front and rear water'walls. Referring to Figs. 1 andll, it willbevnoted thatthe con-v duits leading*tothacirculating nipple connection extend inwardly-.fromthe ront and rea-r Water Walls making it necessary to taper the siderwallsadjacentto their-*lower ends.

The same applies to ther-,upperl ends ot' the water wallsfbecause ofthe nipples later to. be described. -f #i To dome or all of the water walls, there is shown ahollow dome 40 connected to each of them `by a circulating connection similar to -those desc ribedin connection with. the Awater grate andthe lowerends ofthe waterwalls. This provides a spaceto 'receivethe hot Water and deliver it to the heating system through-a delivery pipe41, assuming thatthe system employshot water. YrHovvever, if the system employs steam,- the steam Awill be liberated in the dome portion V40 and delivered through the pipe 41 in the same manner. 1

' To provide a'convenlent smoke outlet, there lis shownan elbow.42 integral with the dome rtion 40 and preferably being cast Withit.-

erein-the velbow -isfshown as lhaving one branch .projecting horizontally from the rear edge of the dome portion. y.

Heretofore, considerable diiculty has been experienced in preparingmachined nipples and other .parts forthawater Walls of sec-v tional boilers of .this general character kbecause of the great number ofconnections necessary tobe made. -fInthe present construction A,the -ttings aremade kwater-tightv by means ofa series of tie rods or bolts, thus obviating the necessity or special fitting.

Referringfto Figs. l to 4 inclusive, 'the upper edge ofthefire box` at the four corners is shown as havinglintegral-,lugsgfi projecting laterall throug suitable slots .in the' skirt of theV ase and incidentally l serving as supports for the fire box'..#Likevvise, the dome portion at the-four corners isprovided with perforated lugs-44adaptedtoreceive tie vrods 45 which, when tightened, will tighten all-of the fittings or nipples in their scatsfgf. s f

'In-Fig. `9 here lis. `shown a slight mod'fication of the dome ortionofthe heater. In

thisinstance the ome .4()55- is similar-to the -ses dome described in lconnection withligl except that it is provided'yvithasteam or vapor rovide a cover plate and acommonenlargement 46 to which the service pipe is adgptedtto beconnected.l .A

smalleforegoing-tdeseriiisxta be seen, that this invention provides a sectional .sorbedfby v the Watercirculating through the heater, thereby economizing with coal or other :fuels vWhich may be used. Further, it Y is adapted .touse modern types of burnersor ,coalasdesiredJ "j g Obviouslyl he present invention'is notrestri'cted to the particular embodiment thereof -lierein-shown and described. Moreover, it is not indispensable that all .the features of the invent-ion Abe usedconjointl since they may be employed advantageous y in4 various combinations andv suboombinations.

1. A Water heating vfurnace comprising, in combination, a Water tire box; a Water` grate consisting of 'a plurality-of conduits integral with said fire box section; a clean-out conduit communicating with eachvof the lowermost portions of each of the'vvater grate conduits; a plurality of Water Walls communicating' with said'ire box section; a cover for said water Wall sections and means for securing said 'sections together. f

2. In a Water heating furnace of the character described, a water tire box having provision to rest on a base; a Water grate 1n the bottom of said're box including a plurality of' conduits integral with the lower part of said lre box; and a clean-out conduit communicating with each of said water grate com duits at the lowermost parts thereo 3. A water heater of the class described,

comprising, in combination, a substantially rectangular base having an ash pit; a rectanular -water lire-box section supported on the ase and having water grate-conduits cast integral therewith; separate front, rear and side Water walls supported on the tire-box sec tion communicating directly with the water space in said section through a plurali of separated openings; water bales .cast inteal with the front and rear water walls and aving -artitions therein said .baies on one wall bein staggered .with thebaies on the other-wa to provide a zigzag gas pass; a `horizontal domesection connected to said water -walls and having` an outlet flue therein; and means to secure allwof said sections together. y Y. y

4. A. water ,heater of the class described ,stolnng opening; a substantially rectangular comprising, in combination, a base having a fire-boxwithin-thebase and having a stoking openin registering with the stokingopenin I-in the ase;a Water gratecast integral wi the fire-box; front, rear and side water walls mounted onthe Yvvate1'-fire-box and communieating therewith near the four corners and eating with the water walls; and tie rods oon- `at opposite sides; staggered water baies on -necti the dome to the fire-box section to o posits walls extending horizontally within hold Il ofthe sections assembled. 1o t e gas passage to rovide a tortuous flue; In testimony, that I claim the foregoing 5 one of said water wa having cleanout openas my own, I have hereto aixed my slgnaings opposite the ends of the water baes in ture. .y the opposite walls; a dome on and communi` HENRY J. LANGE. 

